rolldice.go

package main

import (
	"fmt"
	"io"
	"log/slog"
	"math/rand"
	"net/http"
	"strconv"
)

func rolldice(w http.ResponseWriter, r *http.Request) {
	ctx, span := tracer.Start(r.Context(), "roll")
	defer span.End()

	roll := 1 + rand.Intn(6)

	msg := fmt.Sprintf("Rolled a dice: %d\n", roll)
	logger.InfoContext(ctx, msg, slog.Int("result", roll))

	resp := strconv.Itoa(roll) + "\n"
	if _, err := io.WriteString(w, resp); err != nil {
		logger.ErrorContext(ctx, "Write failed: %v\n", err)
	}
}